102466031447 has 4 divisors (see below), whose sum is σ = 110348033880. Its totient is φ = 94584029016.

The previous prime is 102466031333. The next prime is 102466031453. The reversal of 102466031447 is 744130664201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102466031447 - 2²⁸ = 102197595991 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102466031447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102466031477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3941001197 + ... + 3941001222.

It is an arithmetic number, because the mean of its divisors is an integer number (27587008470).

Almost surely, 2^102466031447 is an apocalyptic number.

102466031447 is a deficient number, since it is larger than the sum of its proper divisors (7882002433).

102466031447 is an equidigital number, since it uses as much as digits as its factorization.

102466031447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7882002432.

The product of its (nonzero) digits is 96768, while the sum is 38.

Adding to 102466031447 its reverse (744130664201), we get a palindrome (846596695648).

The spelling of 102466031447 in words is "one hundred two billion, four hundred sixty-six million, thirty-one thousand, four hundred forty-seven".